\begin{tabular}{lccccccccc} \hline
 & (1) & (2) & (3) & (4) & (5) & (6) & (7) & (8) & (9) \\
VARIABLES & High management & Low management & Intermed. & Small employer & Technical & Semi-routine & Routine & Unemp. & Students \\ \hline
 &  &  &  &  &  &  &  &  &  \\
ln $\Delta$ IPW (1991-2007) & -0.531*** & -0.725*** & -0.300*** & -0.150*** & -0.121*** & -0.217*** & -0.092** & -0.080** & -0.064 \\
 & (0.145) & (0.177) & (0.086) & (0.047) & (0.036) & (0.057) & (0.042) & (0.033) & (0.225) \\
 &  &  &  &  &  &  &  &  &  \\
Observations & 380 & 380 & 380 & 380 & 380 & 380 & 380 & 380 & 380 \\
 R-squared & 0.047 & 0.061 & 0.048 & 0.042 & 0.046 & 0.047 & 0.017 & 0.016 & 0.001 \\ \hline
\multicolumn{10}{c}{ Standard errors in parentheses} \\
\multicolumn{10}{c}{ *** p$<$0.01, ** p$<$0.05, * p$<$0.1} \\
\end{tabular}
